<template>
  <div>
    <el-upload
    class="avatar-uploader"
    :action="action"
    name="upload"
    :data="form"
    :show-file-list="false"
    :on-success="handleAvatarSuccess"
    :before-upload="beforeAvatarUpload">
    <img v-if="imageUrl" :src="imageUrl" class="avatar">
    <i v-else class="el-icon-plus avatar-uploader-icon"></i>
    </el-upload>
    </div>
</template>

<script>
const CONFIG = require('../../config/config.json')

export default {
  data () {
    return {
      imageUrl: '',
      action: '',
      form: {
        name: 'fy.jpg'
      }
    }
  },
  created () {
    console.log(process.env.NODE_ENV)
    if (process.env.NODE_ENV === 'development') {
      this.action = CONFIG.DEV_BASE_URL + '/file/uploadFile.do'
    } else {
      this.action = CONFIG.PRO_BASE_URL + '/file/uploadFile.do'
    }
  },
  methods: {
    handleAvatarSuccess (res, file) {
      this.imageUrl = URL.createObjectURL(file.raw)
    },
    beforeAvatarUpload (file) {
      const isJPG = file.type === 'image/jpeg'
      const isLt2M = file.size / 1024 / 1024 < 2

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG 格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!')
      }
      return isJPG && isLt2M
    }
  }
}
</script>

<style>
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
</style>
